Medium severity · published Aug 25, 2023
CVE-2023-40802
The get_parentControl_list_Info function does not verify the parameters entered by the user, causing a post-authentication heap overflow vulnerability in Tenda AC23 v16.03.07.45_cn
6.5
CVSS
0.8%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Ac23 Firmware · Tenda
16.03.07.45_cn · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-40802
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-40802
Exploit
https://github.com/lst-oss/Vulnerability/tree/main/Tenda/AC23/get_parentControl_list_Info
More from Ac23 Firmware
9.8
CVE-2026-1420
A flaw has been found in Tenda AC23 16.03.07.52
9.8
CVE-2026-0640
A weakness has been identified in Tenda AC23 16.03.07.52
9.8
CVE-2025-12596
A security vulnerability has been detected in Tenda AC23 16.03.07.52
9.8
CVE-2025-12595
A weakness has been identified in Tenda AC23 16.03.07.52
9.8
CVE-2025-9605
A security vulnerability has been detected in Tenda AC21 and AC23 16.03.08.16